Antonio Labacco was a 16th-century architect, engraver, and writer about the architecture of classical Rome. His name is also given variously as Antonio Labacco, Antonio dall' Abacco, Antonio da Labacco, Antonio Abaco', Antonio l'Abco, or Antonio Abacco.
In 1558 he published an architectural treatise, entitled Libro d'Antonio Labacco appartenente a l'architettura nel qual si figurarano alcune notabili antiquita di Roma, with plates he had engraved himself. He also engraved the plans of the Basilica of St. Peter's from Sangallo's designs  He died some time after 1567.
- "Antonio Labacco". Union List of Artists' Names. J Paul Getty Foundation. Retrieved 15 October 2012. The ULAN database gives "Antonio Labacco" as the preferred version
- "Libro d'Antonio Labacco appartenente a l'architettura nel qual si figurarano alcune notabili antiquita di Roma". Metropolitan Museum of Art. Retrieved 15 October 2012.
- Bryan 1886–9
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- Bryan, Michael (1886). Robert Edmund Graves (ed.). Dictionary of Painters and Engravers, Biographical and Critical (Volume I A-K). York St. #4, Covent Garden, London; Original from Fogg Library, Digitized May 18, 2007: George Bell and Sons. p. 2.CS1 maint: location (link)
- This article incorporates text from a publication now in the public domain: Bryan, Michael (1886). "Abacco, Antonio". In Graves, Robert Edmund (ed.). Bryan's Dictionary of Painters and Engravers (A–K). I (3rd ed.). London: George Bell & Sons.
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